content: /*
   * Copyright (C) 2016 david.wei (lighters)
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *       http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.lighters.demos.util;
  
  /**
   * Created by david on 16/7/27.
   * Email: huangdiv5@gmail.com
   * GitHub: https://github.com/alighters
   */
  public class ColorUtil {
  
      /**
       * Get the percent color between the startColor and endColor
       *
       * @param startColor The start color.
       * @param endColor   The end color.
       * @param percent    The percent transform value which is between 0 and 1.
       * @return the result color value.
       */
      public static int getInterColor(int startColor, int endColor, float percent) {
          int maskColor = (1 << 8) - 1;
          int index = 0;
          int interColor = 0;
          int startValue;
          int endValue;
          while (index < 4) {
              startValue = (startColor >> (index * 8)) & maskColor;
              endValue = (endColor >> (index * 8)) & maskColor;
              interColor = interColor | ((int) (startValue + (endValue - startValue) * percent) << (index * 8));
              index++;
          }
          return interColor;
      }
  }
  